add IP Region for luoo_comment

luoo_comment/pom.xml

@@ -62,6 +62,11 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-openfeign-core</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.lionsoul</groupId>
+            <artifactId>ip2region</artifactId>
+            <version>2.7.0</version>
+        </dependency>
     </dependencies>
     <build>
         <finalName>app</finalName>

luoo_comment/src/main/java/com/luoo/comment/controller/CommentController.java

@@ -14,6 +14,7 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.web.bind.annotation.*;
 
+import javax.servlet.http.HttpServletRequest;
 import java.util.concurrent.TimeUnit;
 
 @RestController
@@ -30,6 +31,10 @@ public class CommentController extends BaseController {
     @Autowired
     private  RedisTemplate redisTemplate;
 
+
+    @Autowired
+    private HttpServletRequest request;
+
     @GetMapping
     public Result findAll(){
         return Result.success(commentService.findAll());
@@ -69,6 +74,7 @@ public class CommentController extends BaseController {
         BeanUtils.copyProperties(commentVo, comment);
         comment.setUserId(userId);
         comment.setNickName(userLoginDto.getNickName());
+        comment.setLocation(getIpAddr(request));
         commentService.save(comment);
         return Result.success();
     }

luoo_comment/src/main/java/com/luoo/comment/pojo/Comment.java

@@ -31,6 +31,8 @@ public class Comment implements Serializable {
     // 状态
     private Integer state;
 
+
+    private String location;  //归属地
     /**
      * 父节点 ID
      */

luoo_comment/src/main/java/com/luoo/comment/util/IpUtil.java

@@ -0,0 +1,31 @@
+package com.luoo.comment.util;
+
+import org.lionsoul.ip2region.xdb.Searcher;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.util.StreamUtils;
+
+import java.io.InputStream;
+
+public class IpUtil {
+	private static final String IP2REGION_DB_FILE_PATH = "ip2region.xdb";
+	private static final String UNKNOW_IP = "未知IP";
+	private static final Searcher searcher = initSearcher();
+
+	private static Searcher initSearcher() {
+		try (InputStream is = new ClassPathResource(IP2REGION_DB_FILE_PATH).getInputStream();) {
+			byte[] cBuff = StreamUtils.copyToByteArray(is);// Searcher.loadContent(randomAccessFile);
+			return Searcher.newWithBuffer(cBuff);
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
+	public static String getIpLocation(String ip) {
+		try {
+			return searcher.search(ip).split("\\|")[2].replaceFirst("省", "");
+		} catch (Exception e) {
+			return UNKNOW_IP;
+		}
+	}
+}